Christie’s Geneva Magnificent Jewels: Featuring the Mellon Blue and the Rainbow Collection
Christie's once again brought its Magnificent Jewels sale to Geneva this past week, following its May auction that brought in more than $72 million....
Sotheby’s Royal & Noble Jewels: Old Cuts, Natural Pearls, Tiaras, and Where Bids Soared...
Sotheby's Royal & Noble Jewels sale in Geneva on Wednesday, November 12, 2025, brought together treasures that showcased both exceptional craftsmanship and the deep,...
Invisible-Set Genius: Inside the Craft of Oscar Heyman
A Personal Note
Every now and then, a jeweler sends out a photo that stops you mid-scroll. Not because it's big or flashy, but because...
AGTA Announces the 2025 Spectrum & Cutting Edge Award WINNERS! … and the Roskin...
On a Personal Note:There was certainly a buzz in the room – well over 300 pieces to view, loose gems and gem-set jewelry stretched...
AGTA Continues the Fight for Zero Tariffs: Thailand and Vietnam Look to be Next
By Gary RoskinRoskin Gem News Report
The American Gem Trade Association (AGTA) has just announced a major development in its tariff-reduction campaign: the United States...
Scoping It Out: Photomicrography from Melissa Scarani
Melissa Scarani, GG (GIA), FGA, ASA, is the founder of Gemology Resources, and Houston Gemological Lab in Houston, Texas. A seasoned gemologist with over...
GIA’s “NextGem” Reminder — In Time for the Holidays: Short, On-Demand Courses for New...
With the holiday season around the corner, the Gemological Institute of America (GIA) has reminded us of GIA's NextGemâ„¢, a new way for retail...
BrankoGems Announces 3rd International Conference in Dubai
Coming This March – BrankoGems Conference Travels to DubaiThe 3rd International BrankoGems Conference is set for March 25–28, 2026, at the Novotel Deira Creekside....
Photomicrography: Images from Within, by Sammantha Maclachlan
When Sammantha told us she had a new image for us, and that it was from a slice of asteriated diamond, we never envisioned...
How AGTA is Singlehandedly Saving the International Colored Gemstone Industry*
Behind the scenes, the American Gem Trade Association (AGTA) has been fighting a quiet, complex, and costly battle in Washington, D.C. As AGTA CEO...
Guild Gemology Education Reports on Gemfields’ $32 Million Auction: “… a Measured Signal of...
Andrew "Andy" Lucas is the President of Guild Gemology Education. A former GIA field gemologist and education manager, Lucas has spent more than four...
The Montana Gem Travelogue: A Firsthand Look at Sapphires, Gemology, and Big Sky Mining
The following is a review of Eric Emms' Montana sapphire mining adventure.
"Hunting Montana Sapphires"This past June, Eric Emms, well-respected British gemmologist, educator, and Hatton...
